4000914760

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{917641}}^1$

素因数の和:917761

約数の個数: 32

約数和(自身を含む): 9084655800

約数和(自身を除く): 5083741040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 917641, 1835282, 3670564, 4588205, 7341128, 9176410, 18352820, 36705640, 100022869, 200045738, 400091476, 500114345, 800182952, 1000228690, 2000457380, 4000914760]

約数ペア:

[(1, 4000914760), (2, 2000457380), (4, 1000228690), (5, 800182952), (8, 500114345), (10, 400091476), (20, 200045738), (40, 100022869), (109, 36705640), (218, 18352820), (436, 9176410), (545, 7341128), (872, 4588205), (1090, 3670564), (2180, 1835282), (4360, 917641)]